27118998 has 12 divisors (see below), whose sum is σ = 58757868. Its totient is φ = 9039660.

The previous prime is 27118991. The next prime is 27119051. The reversal of 27118998 is 89981172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27118991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 753288 + ... + 753323.

It is an arithmetic number, because the mean of its divisors is an integer number (4896489).

Almost surely, 2^27118998 is an apocalyptic number.

27118998 is an abundant number, since it is smaller than the sum of its proper divisors (31638870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27118998 is a wasteful number, since it uses less digits than its factorization.

27118998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506619 (or 1506616 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 27118998 is about 5207.5904216826. The cubic root of 27118998 is about 300.4400874278.

It can be divided in two parts, 27 and 118998, that added together give a square (119025 = 345²).

The spelling of 27118998 in words is "twenty-seven million, one hundred eighteen thousand, nine hundred ninety-eight".